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authorCollin Fijalkovich <cfijalkovich@google.com>2021-05-11 17:11:38 +0000
committerAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>2021-05-11 17:11:38 +0000
commitffa38f9a303a1a59124b63392563170ec3cacf6c (patch)
tree7955ca9d3e2879e959abd980d4d9201f4a77bcf3
parent0b6434055bffc3c591a1849ef33223e8823a31c9 (diff)
parent733895f67315b6339399145be1e4260a103f835f (diff)
downloadbionic-ffa38f9a303a1a59124b63392563170ec3cacf6c.tar.gz
Merge "Add cc_defaults for hugepage alignment of shared libraries" am: 13d267e77e am: fef6f7bcc5 am: 74e4a617aa am: 733895f673
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1691208 Change-Id: If07c0f105d22c328818c04e16987d02c67df7f4b
-rw-r--r--linker/Android.bp13
1 files changed, 13 insertions, 0 deletions
diff --git a/linker/Android.bp b/linker/Android.bp
index 284da5821..4a5bf44a6 100644
--- a/linker/Android.bp
+++ b/linker/Android.bp
@@ -414,6 +414,19 @@ sh_binary {
bazel_module: { bp2build_available: true },
}
+// Used to generate binaries that can be backed by transparent hugepages.
+cc_defaults {
+ name: "linker_hugepage_aligned",
+ arch: {
+ arm64: {
+ ldflags: ["-z max-page-size=0x200000"],
+ },
+ x86_64: {
+ ldflags: ["-z max-page-size=0x200000"],
+ },
+ },
+}
+
cc_library {
// NOTE: --exclude-libs=libgcc.a makes sure that any symbols ld-android.so pulls from
// libgcc.a are made static to ld-android.so. This in turn ensures that libraries that